. 2013 Sep 1;13(6):1–41.

Table 10: Results of Studies Assessing Continuity of Care in Patients With COPD.

Study	Indices Used	Continuity Cut-Off	Proportion of Patients in Each Continuity Category	Hospitalization	ED visits
Hong et al, 2010 (22) (Korea)	COC	Equal tertiles based on study population	NR	Odds ratio (95% CI) Low 1.00 Medium 0.67 (0.62–0.71)^a High 0.50 (0.47–0.69)^a	Odds ratio (95% CI) Low 1.00 Medium 0.77 (0.63–0.94)^a High 0.56 0.46–0.69)^a

Abbreviations: CI, confidence interval; COC, continuity of care; COPD, chronic obstructive pulmonary disease; ED, emergency department; NR, not reported.

P < 0.05